Compositional profiling of the rhizosphere microbiome of Canada thistle reveals consistent patterns across the United States northern Great Plains.

Canada thistle is a pervasive perennial weed, causing challenges to agricultural and natural ecosystems globally. Although research has focused on the phenology, genetics, and control of Canada thistle, little is known about the rhizosphere microbiome and the role plant-microbe interactions play in invasion success. This study investigated the rhizosphere microbiome of Canada thistle across diverse climates, soils, and crops in the U.

Experimental Examination of Entanglement Estimates.

Recently, a proper genuine multipartite entanglement measure has been found for three-qubit pure states [see Xie and Eberly, Phys. Rev. Lett.

The Virtue of Hope in Medical Training.

Unlabelled: While many of the challenges of contemporary medical training are characterized uniformly as "burnout," such a diagnosis is nonspecific and overlooks the degree to which the flourishing of medical practitioners depends on the development and exercise of virtue. The virtue of hope, in particular, is indispensable to sound medical practice generally and the flourishing of trainees. It is only through sound apprehension of the nature of the virtue of hope, the challenges to the cultivation of hope that residency poses, and practices that allow such cultivation, that contemporary trainees can learn to care well for patients and flourish in their own right.

Cold Conditioned: Discovery of Novel Alleles for Low-Temperature Tolerance in the Vavilov Barley Collection.

Climate changes leading to higher summer temperatures can adversely affect cool season crops like spring barley. In the Upper Midwest region of the United States, one option for escaping this stress factor is to plant winter or facultative type cultivars in the autumn and then harvest in early summer before the onset of high-temperature stress. However, the major challenge in breeding such cultivars is incorporating sufficient winter hardiness to survive the extremely low temperatures that commonly occur in this production region.

Triangle Measure of Tripartite Entanglement.

Although genuine multipartite entanglement has already been generated and verified by experiments, most of the existing measures cannot detect genuine entanglement faithfully. In this work, by exploiting for the first time a previously overlooked constraint for the distribution of entanglement in three-qubit systems, we reveal a new genuine tripartite entanglement measure, which is related to the area of a so-called concurrence triangle. It is compared with other existing measures and is found superior to previous attempts for different reasons.

Modeling a synthetic aptamer-based riboswitch biosensor sensitive to low hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) concentrations.

RNA aptamers are relatively short nucleic acid sequences that bind targets with high affinity, and when combined with a riboswitch that initiates translation of a fluorescent reporter protein, can be used as a biosensor for chemical detection in various types of media. These processes span target binding at the molecular scale to fluorescence detection at the macroscale, which involves a number of intermediate rate-limiting physical (e.g.

Modernizing Sir Luke Fildes' The Doctor.

Sir Luke Fildes' , exhibited in 1891, is a classic work, celebrated for presenting a physician's posture, presence, and concentration before a patient. This reimagination of Fildes' work responds to modern demands on the patient-clinician relationship while suggesting the persistence of this relationship's sanctity.

Integrity in Action: .

While conscience in medicine has been a source of debate for decades, the role of conscience in medical training remains largely unexamined. Insofar as conscience is addressed, trainees are typically urged to avoid practices that will conflict with their internal moral codes, refer to practitioners who will provide such practices, or even consider leaving the profession. This essay considers Lauris Kaldjian's articulation of two rival definitions of conscience: conscience as mere private and idiosyncratic moral belief, or conscience as a fundamental capacity for moral reasoning, akin to good clinical judgment.

Making Honey.

A third-year medical student reflects on the role of creative meditation in the life of the clinician. Through three patient encounters, he suggests that the "honey-making" of reflection gives therapeutic power to the clinical encounter, for both provider and patient.

Detection of hexahydro-1,3-5-trinitro-1,3,5-triazine (RDX) with a microbial sensor.

Explosives such as hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) are common contaminants found in soil and groundwater at military facilities worldwide, but large-scale monitoring of these contaminants at low concentrations is difficult. Biosensors that incorporate aptamers with high affinity and specificity for a target are a novel way of detecting these compounds. This work describes novel riboswitch-based biosensors for detecting RDX.

Rhizosphere Microbial Communities of and From Restored and Natural Tidal Marshes on Deer Island, Mississippi.

The U. S. Gulf of Mexico is experiencing a dramatic increase in tidal marsh restoration actions, which involves planting coastal areas with smooth cordgrass () and black needlerush () for erosion control and to provide habitat for fish and wildlife.

What Should Physicians and Chaplains Do When a Patient Believes God Wants Him to Suffer?

When physicians encounter a patient who gives religious reasons for wanting to suffer, physicians should maintain their commitment to the patient's health while making room for religiously informed understandings of suffering and respecting the patient's authority to refuse medically indicated interventions. Respecting the patient can include challenging the patient's reasoning, and physicians can decline to participate in interventions that they believe contradict their professional commitments. Chaplains likewise should both support and possibly respectfully challenge a patient in instances that involve desire to suffer for religious reasons, and physicians should draw on chaplains' expertise in these situations to attend to the patient's spiritual concerns.

Numerical Detector Theory for the Longitudinal Momentum Distribution of the Electron in Strong Field Ionization.

The lack of analytical solutions for the exit momentum in the laser-driven tunneling theory is a well-recognized problem in strong field physics. Theoretical studies of electron momentum distributions in the neighborhood of the tunneling exit depend heavily on ad hoc assumptions. In this Letter, we apply a new numerical method to study the exiting electron's longitudinal momentum distribution under intense short-pulse laser excitation.

Editorial: Optics Express - Now How Did That Happen?

Founding Editor-in-Chief Joseph Eberly tells how Optics Express was conceived as an entirely new kind of journal and the significant effort required to launch the first issue.

Biodegradation of insensitive munition formulations IMX101 and IMX104 in surface soils.

The biodegradation potential of insensitive munition melt cast formulations IMX101 and IMX104 was investigated in two unamended training range soils under aerobic and anaerobic growth conditions. Changes in community profiles in soil microcosms were monitored via high-throughput 16S rRNA sequencing over the course of the experiments to infer key microbial phylotypes that may be linked to IMX degradation. Complete anaerobic biotransformation occurred for IMX101 and IMX104 constituents 2,4-dinitroanisole (DNAN) and 3-nitro-1,2,4-triazol-5-one during the 30-day incubation period with Camp Shelby (CS) soil.